This could be related to https://bz.mercurial-scm.org/show_bug.cgi?id=5973
On 21/11/2018 21:36, Mads Kiilerich wrote:
> Hi
>
> I see some odd and potentially related behaviour:
>
> The files list in changelog entries for merges sometimes contain files
> that didn't change, but where the manifest use the same filelog entry
> as one of the parents.
> It seems to often be related to merge of file moves.
>
> Also, sometimes there are different filelog entries, but
> debugrevlogindex shows rename entries (p1=null) with length 0 and
> where debugdata confirms that the content is the same as their p2.
>
> And because of these extra "changedfiles" entries, bundles sometimes
> contains too many files. Linkrev is used for pruning, but is too
> fragile to handle it correctly. (I have a PoC for pruning all filelog
> entries that are reused from the parents "common" and outside the
> bundled set.) (It also doesn't seem to use an optimal delta parent
> when bundling - that could perhaps mitigate it.)
>
> Sorry for the vague description. I have not been fully able to
> reproduce the problems - perhaps because bugs have been fixed. Are you
> aware of changes/fixes that can explain this? Or hints about where to
> look or related problems?
>
> /Mads
>
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